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astrometric binary
astrometric binary
noun Astronomy.
a binary star that can be recognized as such because of its undulating proper motion.
Origin:
1975–80
1975–80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Astrometric binary
is always a great word to know.
So is red giant. Does it mean:
| the polestar or North Star, a star of the second magnitude close to the north pole of the heavens, in the constellation Ursa Minor |
| a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue |
American Heritage
Science Dictionary
astrometric binary  (ās'trə-mět'rĭk) Pronunciation Key
See under binary star. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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